import java.util.Scanner;

public class Example2 {
	public static void main(String[] args) {
		int num;
		Scanner sc = new Scanner(System.in);
		num = sc.nextInt();
		if(num>100 && num < 1000) {
			if( num % 2 == 0) {
				System.out.println(num + "符合条件");
			}else {
				
			}
		}else{
			
		}
	}
}
